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42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
4 years ago
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package logging
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import (
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"os"
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"sync"
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"time"
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)
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import (
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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// newDefaultProductionLog configures a custom log that is
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// intended for use by default if no other log is specified
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// in a config. It writes to stderr, uses the console encoder,
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// and enables INFO-level logs and higher.
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func newDefaultProductionLog() *zap.Logger {
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encCfg := zap.NewProductionEncoderConfig()
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// if interactive terminal, make output more human-readable by default
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encCfg.EncodeTime = func(ts time.Time, encoder zapcore.PrimitiveArrayEncoder) {
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encoder.AppendString(ts.Format("2006/01/02 15:04:05.000"))
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}
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encCfg.EncodeLevel = zapcore.CapitalColorLevelEncoder
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enc := zapcore.NewConsoleEncoder(encCfg)
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core := zapcore.NewCore(enc, zapcore.Lock(os.Stdout), zap.NewAtomicLevelAt(zap.DebugLevel))
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return zap.New(core)
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}
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// Log returns the current default logger.
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func Log() *zap.Logger {
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defaultLoggerMu.RLock()
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defer defaultLoggerMu.RUnlock()
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return defaultLogger
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}
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var (
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defaultLogger = newDefaultProductionLog()
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defaultLoggerMu sync.RWMutex
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)
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